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Chapter 749 Eye-opening

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    It¡¯s just that, look at the ¡®thin¡¯ barrel and the body that is longer than ordinary artillery.

    Zhang Mao¡¯s eyes were still full of doubts.

    This thing can explode?

    Aren¡¯t you afraid of exploding your body?

    He looked at Fang Jifan with a smile.

    Fang Jifan said: "Shibo, I wonder how far the artillery in the border town can shoot and what is its accuracy?"

    "This" Zhang Mao hesitated for a moment and said, "It's about two to three hundred feet. What's the accuracy?"

    "Two to three hundred feet, this is too general.

    In fact, smoothbore artillery, especially artillery with air holes in the smoothbore, cannot be expected to have an accurate range, it is completely depends on luck.

    Fang Jifan nodded. This point was generally consistent with the historical data he knew.  The artillery of the Ming Dynasty was mainly based on the squatting tiger cannon for quite some time. The range was not long, and the accuracy really depended on luck.

    Later, when Westerners began to appear and there was communication between the East and the West, the Hongyi cannon was introduced by the Ming army. This type of artillery had a long barrel and the thickness of the tube wall gradually thickened from the muzzle to the tail, which was in line with the gunpowder  The principle of the chamber pressure going from high to low during combustion; there are cylindrical lugs on both sides of the center of gravity of the gun body. The gun can adjust the shooting angle based on this axis, and change the range according to the amount of gunpowder; and it also has a front sight and a rear sight.  The trajectory is calculated according to the parabola with high accuracy.  And its best thing is its range. As a cannon, the Hongyi Cannon has a range of 300 to 500 feet.

    The drawings provided by Fang Jifan are actually the style of the Hongyi cannon.

    Its characteristic is that the barrel is long, but not as heavy as the squatting cannon. However, compared with the ordinary red cannon, it has chosen to carve a negative line in the barrel. This negative line is the rifling. Therefore, even if it is compared to the historical cannon, it has a long barrel.  The range and accuracy of the Hongyi cannon are much stronger.

    Fang Jifan said with a smile: "Shibo, look at the hilltop opposite."

    With that said, he handed a telescope to Zhang Mao. Zhang Mao looked at the top of the mountain from a distance. He raised the telescope and looked at it. On the opposite side of the mountain, there was actually a large area of ??trees. In one area, red ropes were tied to the trees.  This area is several feet square. Zhang Mao frowned: "What are you doing?"

    "We are going to attack those woods with red ropes tied on them." Zhu Hou said with a beaming eyebrow.

    Zhang Mao was a little speechless. The hilltop opposite was seven or eight hundred feet away. How could he still hit the target at this distance of seven or eight hundred feet?  are you crazy?

    Zhang Mao didn¡¯t believe it.

    But in front of the prince, he didn't believe it and had to hold it in. As a British man who had played happily in the barrel of a cannon since he was a child, Zhang Mao knew artillery too well, so he could only laugh dryly: "This place is probably eight miles away from us."  More than a hundred stepsthisahem, His Highness the Crown Prince is indeed very ambitious."

    ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Outline: "My heart is higher than the sky, but" Other things are naturally hard to say.

    ¡°Old Fang, let¡¯s open our eyes to Britain.¡±

    "Okay." Fang Jifan nodded happily, and then said: "Your Highness, load the ammunition."

    The shells were too heavy and Fang Jifan¡¯s head hurt a little. Zhu Houzhao, who was in good health, could only do this.

    Zhu Houzhao didn't say anything. He rolled up his long sleeves, tied them up, howled, and opened the wooden box on the side. In the box, a row of cannonballs was exposed.

    This cannonball was different from ordinary cannonballs. Fang Jifan called it a flowering bomb. During the Hongzhi Dynasty, the cannonballs were still solid. However, it was not until the Jiajing period, that is, decades later, that the Ming Dynasty began to invent the 'Poisonous Fire Flying'.  The "poisonous fire fly" is the prototype of the explosive bomb. The bomb contains "five ounces of arsenic and sulfur poison". After igniting, it "will fly 200 steps away, shattering and injuring people."

    Of course, Fang Jifan is a kind man. Although this is the first time that such explosive shells appear, he does not fill the cannonballs filled with gunpowder with arsenic, sulfur, poison and other immoral things. He is only inside,  He ordered people to load steel balls. There were hundreds of small steel balls in one shell.

    So, even though this bomb is hollow, in fact, it is extremely heavy.

    Fang Jifan was on the other side and began to load gunpowder. He stuffed a pack of gunpowder through the muzzle, and then used a long-handled wooden plug to fill the gunpowder firmly.

    After that, Zhu Houzhao howled, brought the shells, bared his teeth and cracked his eyes: "Get out of the way quickly." Then, he loaded the shells into the muzzle.

    The inside of the barrel is very smooth, and because of the rifling, the accuracy of the cannonball must be to fit perfectly with the inner wall of the barrel. This cannonball has a long fuse reserved, and then it slips into the barrel.  bottom of.

    Everything is done.

    Zhu Houzhao started to pick up the book.

    &Cool air.

    I couldn¡¯t help but said: ¡°Damn, that¡¯s awesome!¡±

    Zhu Houzhao also raised his telescope and aimed at it, cheering from his mouth.

    Zhang Mao¡¯s old face flushed with excitement: ¡°This cannon is powerful, very powerful. Successor, we have to go to the top of the mountain to see how powerful it is.¡±

    Ordinary solid artillery shells are actually nothing to look at. They are just iron lumps falling from the sky. But Fang Jifan's cannon can actually explode twice. It is so accurate and has such a range. It is a magic weapon.

    This was an eye-opener for Zhang Mao. He was the queen of the gate. How could he not know what terrible consequences this thing would have after it appeared?

    He was like a child. Without waiting for Fang Jifan's response, he walked happily towards the opposite hilltop.

    Zhu Houzhao and others had no choice but to follow and catch up.

    Zhang Mao overcame thorns and thorns, walking as fast as flying. His face was red with excitement, and his eyeballs were about to pop out of his sockets. Countless thoughts came to his mind. If he thought back to the time of Jingnan, if Emperor Wen had had this cannon, my eldest father would have died in the battle.  ?  Won't!  I think back then, if this thing had existed in Cochin, would my late father have regretted leaving Cochin, and would this have become the most regrettable thing in his life?  Won't!  (Remember the website address: www.hlnovel.com
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